Il 21 over Il 120 & Stream

Good Condition23 years old22,300 vehicles/day

Location

StateIllinois
CountyLake
Location1 M W Of I-94
CarriesIl 21
CrossesIl 120 & Stream
Coordinates42.34372, -87.94526

Condition Ratings

Overall ConditionGood
Deck7 (Good)
Superstructure7 (Good)
Substructure7 (Good)
Channel/Waterway7 (Good)
Scour Critical8 — Stable, low risk

Physical Characteristics

MaterialSteel Continuous
DesignStringer/Multi-beam
Total Length538.1 ft (164 m)
Max Span237.9 ft (72.5 m)
Deck Width79.7 ft (24.3 m)
Deck Area3985.2 sq m
Main Spans2
Year Built2003

Traffic

Avg Daily Traffic22,300 (2023)
Truck Traffic6%
Lanes On Bridge4
Lanes Under Bridge6

Inspection & Ownership

Last Inspection924
Inspection FrequencyEvery 24 months
OwnerState Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Structure Number049017900000000

Nearby Bridges